Home / 70,632.16-97,472.46-38,803.12

Finding the Fourth Proportional to 70,632.16, 97,472.46 and 38,803.12

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Solution

The fourth proportional to 70,632.16, 97,472.46 and 38,803.12 is: 53,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,632.16 : 97,472.46 = 38,803.12 : x
  2. Step 2: Convert to fraction form
    70,632.16/97,472.46 = 38,803.12/x
  3. Step 3: Cross multiply
    70,632.16x = 97,472.46 × 38,803.12
  4. Step 4: Simplify right side
    70,632.16x = 3,782,235,562.08
  5. Step 5: Solve for x
    x = 3,782,235,562.08/70,632.16
  6. Step 6: Final answer
    x = 53,548.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.